Leonard Reginald 'Len' Brennan (1911–1943) was an Australian rugby league footballer who played in the 1930s.

Len Brennan was a local from Ramsgate, New South Wales, and played three seasons of first grade with the St George Dragons between 1932 and 1934, including the 1933 Grand Final.

Len also played with his oldest brother Joe Brennan at St. George during his career.

[3][4] On 8 June 1943, Brennan served as the co-pilot of a Vickers Wellington bomber sent on an operational flight.

I last saw Sergeant Harris swimming strongly for the coast.McLaren was picked up by Royal Navy ships at about 2:00 pm the next day, but nobody else survived.